Malicious PDF — malware analysis report

Static analysis result for SHA-256 c6a7efd58d21609d…

MALICIOUS

PDF

43.3 KB Created: 2019-01-06 08:11:35 +03:00 Authoring application: FrameMaker 6.0 (via Acrobat Distiller 5.0.5 (Windows))
MD5: e03275c531bdcdeeba3c3068e28d9d32 SHA-1: 2cd8786f2f78d377e161ac586d4865db7820187c SHA-256: c6a7efd58d21609dafb050b6b46885836a8616ffc905bf2b7230512eaeb93608
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF was flagged by a machine learning classifier and contains a heuristic indicating a large number of external PDF links, suggesting a link farm or a method to distribute malicious content. The embedded URLs point to various PDF files on the same domain, likely intended to lure users into downloading further malicious content or to manipulate search engine rankings.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9171

Heuristics 2

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://www.gorillawalker.com/joseph-the-dreamer-lion-story-bible.pdf
    • http://www.gorillawalker.com/contribution-la-commande-tol-rante-aux-d-fauts-syst-me.pdf
    • http://www.gorillawalker.com/marauders-of-the-dune-sea-dungeons-dragons.pdf
    • http://www.gorillawalker.com/emergent-nature-patterns-growth-and-scaling-in-the-sciences.pdf
    • http://www.gorillawalker.com/the-enemy-within-the-secret-war-against-the-miners.pdf
    • http://www.gorillawalker.com/microarray-bioinformatics.pdf
    • http://www.gorillawalker.com/zig-ziglar-ventas-el-manual-definitivo-para-el-vendedor-profesional.pdf
    • http://www.gorillawalker.com/if-questions-for-parents.pdf
    • http://www.gorillawalker.com/aa-street-by-street-glasgow.pdf
    • http://www.gorillawalker.com/biophysics-for-dummies.pdf
    • http://www.gorillawalker.com/hegels-logik-german-edition.pdf
    • http://www.gorillawalker.com/great-quotes-from-great-women.pdf
    • http://www.gorillawalker.com/tales-of-pain-and-wonder.pdf
    • http://www.gorillawalker.com/interaction-of-photons-and-neutrons-with-matter-an-introduction.pdf
    • http://www.gorillawalker.com/optimizing-your-sharepoint-2013-environments.pdf
    • http://www.gorillawalker.com/what-does-europe-want-the-union-and-its-discontents-insurrections.pdf
    • http://www.gorillawalker.com/labor-and-industrial-relations-journals-and-serials-an-analytical-guide.pdf
    • http://www.gorillawalker.com/offshore-technology-in-civil-engineering-hall-of-fame-papers-from.pdf
    • http://www.gorillawalker.com/enciclopedia-de-la-aviaci-n-m-s-de-3-000.pdf
    • http://www.gorillawalker.com/in-the-beginning-instructor-s-review-copy-an-introduction-to.pdf
    • http://www.gorillawalker.com/cupcake-diaries-4-books-in-1-katie-and-the-cupcake.pdf
    • http://www.gorillawalker.com/down-by-contact-a-seattle-lumberjacks-romance-volume-3.pdf
    • http://www.gorillawalker.com/the-magic-city-unemployment-in-a-working-class-community-the.pdf
    • http://www.gorillawalker.com/guitar-secrets-harmonic-minor-revealed.pdf
    • http://www.gorillawalker.com/a-life-sold-what-ever-happened-to-that-guy-who.pdf
    • http://www.gorillawalker.com/from-leaf-to-life-unlock-the-secrets-to-true-health.pdf
    • http://www.gorillawalker.com/the-know-it-all-s-guide-to-life-how-to.pdf
    • http://www.gorillawalker.com/it-s-great-to-be-catholic.pdf
    • http://www.gorillawalker.com/introducing-palaeontology-a-guide-to-ancient-life.pdf
    • http://www.gorillawalker.com/accelerated-development-hydro-power.pdf
    • http://www.gorillawalker.com/alexander-s-veterans-and-the-early-wars-of-the-successors.pdf
    • http://www.gorillawalker.com/babes-and-beefcake-exclusive-hiring-arrangements-and-sexy-dress-codes.pdf
    • http://www.gorillawalker.com/the-end-of-days-armageddon-and-prophecies-of-the-return.pdf
    • http://www.gorillawalker.com/discussions-in-church-polity.pdf
    • http://www.gorillawalker.com/crisp-supervising-employees-with-disabilities-beyond-ada-compliance-a-fifty.pdf
    • http://www.gorillawalker.com/bouvier-s-law-dictionary-student-s-edition-1928.pdf
    • http://www.gorillawalker.com/el-salto-de-minerva-intelectuales-g.pdf
    • http://www.gorillawalker.com/safe-sleep-space-kindle-edition.pdf
    • http://www.gorillawalker.com/make-thousands-on-amazon-in-10-hours-a-week-revised.pdf
    • http://www.gorillawalker.com/com-programming-a-practical-guide-using-visual-c-and-atl.pdf
    • http://www.gorillawalker.com/zig-ziglar-ventas-el-manual-definitivo-para-el-vendedor-profesional.p
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://www.aiim.org/pdfa/ns/extension/
    • http://www.aiim.org/pdfa/ns/schema#
    • http://www.aiim.org/pdfa/ns/property#
    • http://www.aiim.org/pdfa/ns/id/

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